Thump the fish on the head wit my big buck knife handle, and release it into my creel!
Seriously, I always wet my hands well prior to handling a fish. If the net comes out, it is kept wet and I do my best to keep the fish in the water while removing the hook. I usually have no problems with hooks as they are barbless. If the hook is well anchored, I'll turn the fish upsidedown (usually they will settle right down upon inverting them) and remove the hook with smooth forceps. I also believe in a keeping the fight time to a minimum. I get really frustrated with those who "showboat" fish into a lactic stupor. EGOs and ignorance are a trout two worst enemies on the river!
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US Veteran and concerned citizen